What color is Card ?

Source Crayola® CSS3 CSS4
#2e3331
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#808378
 
#757575
sonic silver
#808080
grey
#808080
grey
#50554c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#a3554f
 
#a5694f
sepia
#a0522d
sienna
#a0522d
sienna
#5d4540
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen